ResetMachineFunctionPass.cpp File Reference

This file implements a pass that will conditionally reset a machine function as if it was just created. More...

#include "llvm/CodeGen/ResetMachineFunctionPass.h"
#include "llvm/ADT/ScopeExit.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/StackProtector.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/Debug.h"
#include "llvm/Target/TargetMachine.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "reset-machine-function"

Functions
	STATISTIC (NumFunctionsReset, "Number of functions reset")
	STATISTIC (NumFunctionsVisited, "Number of functions visited")
static bool	runImpl (MachineFunction &MF, bool EmitFallbackDiag, bool AbortOnFailedISel)
	INITIALIZE_PASS (ResetMachineFunctionLegacy, DEBUG_TYPE, "Reset machine function if ISel failed", false, false) MachineFunctionPass *llvm

Detailed Description

This file implements a pass that will conditionally reset a machine function as if it was just created.

This is used to provide a fallback mechanism when GlobalISel fails, thus the condition for the reset to happen is that the MachineFunction has the FailedISel property.

Definition in file ResetMachineFunctionPass.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "reset-machine-function"

Definition at line 29 of file ResetMachineFunctionPass.cpp.

Function Documentation

INITIALIZE_PASS()

INITIALIZE_PASS	(	ResetMachineFunctionLegacy	,
		DEBUG_TYPE	,
		"Reset machine function if ISel failed"	,
		false	,
		false	)

Definition at line 104 of file ResetMachineFunctionPass.cpp.

References llvm::createResetMachineFunctionLegacyPass(), and DEBUG_TYPE.

runImpl()

bool runImpl ( MachineFunction & MF, bool EmitFallbackDiag, bool AbortOnFailedISel )

static

Definition at line 34 of file ResetMachineFunctionPass.cpp.

References llvm::MachineRegisterInfo::clearVirtRegTypes(), llvm::dbgs(), llvm::MachineFunction::empty(), F, llvm::MachineFunction::getFunction(), llvm::MachineFunction::getName(), llvm::MachineFunction::getProperties(), llvm::MachineFunction::getRegInfo(), llvm::MachineFunction::getSubtarget(), llvm::MachineFunction::getTarget(), llvm::MachineFunction::initTargetMachineFunctionInfo(), LLVM_DEBUG, llvm::TargetMachine::registerMachineRegisterInfoCallback(), llvm::report_fatal_error(), llvm::MachineFunction::reset(), and llvm::MachineFunctionProperties::resetToInitial().

STATISTIC() [1/2]

STATISTIC	(	NumFunctionsReset	,
		"Number of functions reset"	)

STATISTIC() [2/2]

STATISTIC	(	NumFunctionsVisited	,
		"Number of functions visited"	)